package homework4;

public class PolymorphicDemo {
    public static void main(String[] args) {
      /*  Master master = new Master();
        Dog dog = new Dog("小黑",2,"黑");
        Chick chick = new Chick("小白",1,"白");
        Fish fish = new Fish("小金",2,"金");
        master.feed(dog);
        master.feed(chick);
        master.feed(fish);*/

        Animal[] animals = new Animal[3];
        animals[0] = new Dog("小黑",2,"黑");
        animals[1] = new Chick("小白",2,"白");
        animals[2] = new Fish("小金",1,"金");
        for(int i = 0;i<animals.length;i++){
            System.out.println(animals[i].name);
            animals[i].eat();
            animals[i].drink();
            if(animals[i] instanceof Dog){
                Dog dog = (Dog)animals[i];
                dog.lookHome();
            }
            if(animals[i] instanceof Chick){
                Chick chick = (Chick)animals[i];
                chick.layEgg();
            }
            if(animals[i] instanceof Swim){
                Swim swim = (Swim)animals[i];
                swim.swim();
            }
        }
    }
}
